Forget the bus... train is OK (SNCF), you can have 30% discount if you are under 26 or if you are a student somewhere.
Car is the best option and hitchhiking works well:
Toulouse - Albi: 30 min
Albi - Rodez: 1h
Just stand in Jolimont that way you can get the maximum of people going to Albi... over 8 years ago

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